Bumping gaia.json for 2 gaia revision(s) a=gaia-bump

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https://hg.mozilla.org/integration/gaia-2_0/rev/ab9e5abf58c9
Author: Florin Strugariu <bebef_1987@yahoo.com>
Desc: Merge pull request #20568 from viorelaioia/bug_1025868

Bug 1025868 - [Flame] [v2.0] Update test_privileged_app_audio_capture_prompt and test_privileged_app_video_capture_prompt.py to match new prompt behaviour

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https://hg.mozilla.org/integration/gaia-2_0/rev/0a1b8af3c3d7
Author: Viorela Ioia <viorelaioia@gmail.com>
Desc: Bug 1025868 - [Flame] [v2.0] Update test_privileged_app_audio_capture_prompt and test_privileged_app_video_capture_prompt.py to match new prompt behaviour
Bumping manifests a=b2g-bump